#include <iostream>
using namespace std;
int main() {
    double x, y;
    cin >> x >> y;
    cout << "x + y = " << x + y << endl;
    cout << "x - y = " << x - y << endl;
    cout << "x * y = " << x * y << endl;
    if (y != 0)
        cout << "x / y = " << x / y << endl;
    else
        cout << "Divided by 0";
}